Update

1 files changed, 74 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/math/CardinalState.java b/base/src/main/java/bjc/utils/math/CardinalState.java
new file mode 100644
index 0000000..f42fb85
--- /dev/null
+++ b/base/src/main/java/bjc/utils/math/CardinalState.java
@@ -0,0 +1,74 @@
+package bjc.utils.math;
+
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.function.BiFunction;
+import java.util.function.LongPredicate;
+
+/*
+ * @TODO 2/12/18 Ben Culkin :AdditionalCardinals
+ * 
+ * Add some built-in implementations for various things.
+ */
+/**
+ * Customizations for number cardinalization.
+ * 
+ * @author EVE
+ *
+ */
+public class CardinalState {
+	/**
+	 * Alias type for converting numbers to cardinals.
+	 * 
+	 * @author EVE
+	 *
+	 */
+	@FunctionalInterface
+	public interface Cardinalizer extends BiFunction<Long, CardinalState, String> {
+
+	}
+
+	/**
+	 * Custom cardinals for numbers.
+	 */
+	public final Map<Long, String> customNumbers;
+
+	/**
+	 * Custom functions to apply to certain scales.
+	 */
+	public final Map<LongPredicate, Cardinalizer> customScales;
+
+	/**
+	 * Create a new set of cardinalization customizations.
+	 * 
+	 * @param customNumbers
+	 *        The custom numbers to use.
+	 * @param customScales
+	 *        The custom scales to use.
+	 */
+	public CardinalState(Map<Long, String> customNumbers, Map<LongPredicate, Cardinalizer> customScales) {
+		this.customNumbers = customNumbers;
+		this.customScales = customScales;
+	}
+
+	/**
+	 * Handle a custom cardinal number
+	 * 
+	 * @param number
+	 *        The number to handle
+	 * @return The number as a cardinal, or null if we don't handle it.
+	 */
+	public String handleCustom(long number) {
+		if(customNumbers.containsKey(number)) {
+			return customNumbers.get(number);
+		}
+
+		for(Entry<LongPredicate, Cardinalizer> ent : customScales.entrySet()) {
+			if(ent.getKey().test(number)) {
+				return ent.getValue().apply(number, this);
+			}
+		}
+
+		return null;
+	}
+}
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